A system and method for measuring and regulating divertor heat load in real time

Abstract

The application discloses a system and method for measuring and regulating divertor heat load in real time, and belongs to the technical field of magnetic confinement nuclear fusion, comprising a spectrum collection system, a spectrum analysis system and an impurity injection feedback control system; first, the spectrum collection system is used to collect the divertor plasma spectrum, then the spectrum analysis system is used to analyze the spectrum in real time and to inversely calculate the electron density and the electron temperature, and the heat load is calculated, finally, the impurity injection feedback control system is used to adjust the impurity injection amount in real time according to the heat load measurement value, in combination with a preset threshold value and a control algorithm, to form a closed-loop control; the system and method for measuring and regulating divertor heat load in real time provided by the application adopts non-contact spectrum diagnosis, has no plasma interference, can realize real-time accurate monitoring and active regulation of the divertor heat load, and is of great significance for protecting the divertor, optimizing the plasma performance and realizing long-pulse operation of a device with high parameters.

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